/*
 * LipeRMI - a light weight Internet approach for remote method invocation
 * Copyright (C) 2006  Felipe Santos Andrade
 * 
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 * 
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 * 
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
 * 
 * For more information, see http://lipermi.sourceforge.net/license.php
 * You can also contact author through lipeandrade@users.sourceforge.net
 */

package handler;

import java.lang.reflect.InvocationHandler;
import java.lang.reflect.Method;
import java.lang.reflect.Proxy;

import call.RemoteInstance;

/**
 * A dynamic proxy which delegates interface calls to a ConnectionHandler
 * 
 * @author lipe
 * @date 05/10/2006
 * 
 * @see lipermi.handler.CallHandler
 */
public class CallProxy implements InvocationHandler {

	private ConnectionHandler connectionHandler;

	public CallProxy(ConnectionHandler connectionHandler) {
		this.connectionHandler = connectionHandler;
	}

	@Override
	public Object invoke(Object proxy, Method method, Object[] args)
			throws Throwable {
		return connectionHandler.remoteInvocation(proxy, method, args);
	}

	@SuppressWarnings({ "rawtypes" })
	public static Object buildProxy(RemoteInstance remoteInstance,
			ConnectionHandler connectionHandler) throws ClassNotFoundException {
		Class clazz = Class.forName(remoteInstance.getClassName());
		return Proxy.newProxyInstance(clazz.getClassLoader(),
				new Class[] { clazz }, new CallProxy(connectionHandler));
	}
}
